I only shoot slide film underwater - alas - these filters are for digital cameras. Hopefully one of the digitally enlightened will chime in.

I hope that your photos are coming along. We haven't seen any recent examples.

Thanks for the supportive words. I just do what I do, as for future plans, who knows. At this point I'm having difficulty keeping up with making my own web site. I suspect that a book would be very time consuming in territory that at this point I know little about, I'd need kind and encouraging mentor. Chris has been the guy that deserves a lot of the credit for helping me to get my stuff and my act together for web publication, Captain Ray gave me the shove that helped me to do it more independently. A book would take similar supportive people.